Hi folks, I left my module running with the modem connected (WiFi client off) for a couple of days. V2 server configured and connected, but the phone client was not running. The module was sitting on my desk (not in a car), powered from the high-power USB port on my laptop. It was blinking happily last night when I went to bed, but dark this morning. Apparently had crashed and rebooted during the night. Here's the trace-back from the screen. Looks like a link drop was the trigger, or perhaps the result of something else. Hope this helps, Greg I (129194054) ovms-server-v2: Send MP-0 S47,K,0,0,stopped,standard,0,0,0,0,0,0,0,21,0,0,0,0,0.00,0,0,0,0,-1,0,0,0,0,0,0,0,0.00,0.00,0 I (129194064) ovms-server-v2: Send MP-0 D0,0,5,0,0,0,0,0,0,129191,0,0,0,0,0,0,0,0,0,0 I (129795064) ovms-server-v2: Send MP-0 S47,K,0,0,stopped,standard,0,0,0,0,0,0,0,21,0,0,0,0,0.00,0,0,0,0,-1,0,0,0,0,0,0,0,0.00,0.00,0 I (129795074) ovms-server-v2: Send MP-0 D0,0,5,0,0,0,0,0,0,129792,0,0,0,0,0,0,0,0,0,0 I (130030624) simcom: CREG Network Registration: Searching I (130031414) simcom: Lost network connection (NetworkRegistration in NetMode) I (130031414) simcom: State: Enter NetLosGuru Meditation Error of type LoadProhibited occurred on core 0. Exception was unhandled. Register dump: PC : 0x4018f959 PS : 0x00060830 A0 : 0x8018a5d8 A1 : 0x3ffd80f0 0x4018f959: ip4_route at /home/greg/esp/esp-idf/components/lwip/core/ipv4/ip4.c:223 (discriminator 2) A2 : 0x0000f01d A3 : 0x00000000 A4 : 0x00000000 A5 : 0xfffffffc A6 : 0x3fff2c8c A7 : 0x00000014 A8 : 0x00000000 A9 : 0x00000001 A10 : 0x502b34ca A11 : 0x00000001 A12 : 0x3f42ea90 A13 : 0x3f42eaa4 A14 : 0x3ffda120 A15 : 0x00000000 SAR : 0x0000000b EXCCAUSE: 0x0000001c EXCVADDR: 0x0000f0d2 LBEG : 0x4000c2e0 LEND : 0x4000c2f6 LCOUNT : 0xffffffff Backtrace: 0x4018f959:0x3ffd80f0 0x4018a5d5:0x3ffd8110 0x4018d3eb:0x3ffd8150 0x4018d40d:0x3ffd8180 0x4018d4ae:0x3ffd81a0 0x4018d90c:0x3ffd81c0 0x4018e46a:0x3ffd81e0 0x4018e4ab:0x3ffd8200 0x40196261:0x3ffd8220 0x4019882d:0x3ffd8240 0x40198874:0x3ffd8260 0x40199e9d:0x3ffd8280 0x40198764:0x3ffd82a0 0x4019a8f2:0x3ffd82c0 0x4019a92e:0x3ffd82e0 0x40196f25:0x3ffd8300 0x40199e9d:0x3ffd8320 0x40197e68:0x3ffd8340 0x40196149:0x3ffd8360 0x401b470c:0x3ffd8380 0x401825ad:0x3ffd83a0 0x4018f959: ip4_route at /home/greg/esp/esp-idf/components/lwip/core/ipv4/ip4.c:223 (discriminator 2) 0x4018a5d5: tcp_rst at /home/greg/esp/esp-idf/components/lwip/core/tcp_out.c:1336 (discriminator 4) 0x4018d3eb: tcp_abandon at /home/greg/esp/esp-idf/components/lwip/core/tcp.c:1630 0x4018d40d: tcp_abort at /home/greg/esp/esp-idf/components/lwip/core/tcp.c:1630 0x4018d4ae: tcp_netif_ipv4_addr_changed_pcblist at /home/greg/esp/esp-idf/components/lwip/core/tcp.c:1630 0x4018d90c: tcp_netif_ipv4_addr_changed at /home/greg/esp/esp-idf/components/lwip/core/tcp.c:1947 0x4018e46a: netif_set_ipaddr at /home/greg/esp/esp-idf/components/lwip/core/netif.c:452 0x4018e4ab: netif_set_addr at /home/greg/esp/esp-idf/components/lwip/core/netif.c:330 0x40196261: cifaddr at /home/greg/esp/esp-idf/components/lwip/netif/ppp/ppp.c:704 0x4019882d: ipcp_clear_addrs at /home/greg/esp/esp-idf/components/lwip/netif/ppp/ipcp.c:2192 0x40198874: ipcp_down at /home/greg/esp/esp-idf/components/lwip/netif/ppp/ipcp.c:2156 0x40199e9d: fsm_lowerdown at /home/greg/esp/esp-idf/components/lwip/netif/ppp/fsm.c:146 0x40198764: ipcp_lowerdown at /home/greg/esp/esp-idf/components/lwip/netif/ppp/ipcp.c:687 0x4019a8f2: upper_layers_down at /home/greg/esp/esp-idf/components/lwip/netif/ppp/auth.c:715 0x4019a92e: link_down at /home/greg/esp/esp-idf/components/lwip/netif/ppp/auth.c:701 0x40196f25: lcp_down at /home/greg/esp/esp-idf/components/lwip/netif/ppp/lcp.c:2341 0x40199e9d: fsm_lowerdown at /home/greg/esp/esp-idf/components/lwip/netif/ppp/fsm.c:146 0x40197e68: lcp_lowerdown at /home/greg/esp/esp-idf/components/lwip/netif/ppp/lcp.c:485 0x40196149: ppp_close at /home/greg/esp/esp-idf/components/lwip/netif/ppp/ppp.c:704 0x401b470c: pppapi_do_ppp_close at /home/greg/esp/esp-idf/components/lwip/api/pppapi.c:355 0x401825ad: tcpip_thread at /home/greg/esp/esp-idf/components/lwip/api/tcpip.c:474 Rebooting...